Home / 4,329.96-5,980.87-3,315.50

Finding the Fourth Proportional to 4,329.96, 5,980.87 and 3,315.50

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Solution

The fourth proportional to 4,329.96, 5,980.87 and 3,315.50 is: 4,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.96 : 5,980.87 = 3,315.50 : x
  2. Step 2: Convert to fraction form
    4,329.96/5,980.87 = 3,315.50/x
  3. Step 3: Cross multiply
    4,329.96x = 5,980.87 × 3,315.50
  4. Step 4: Simplify right side
    4,329.96x = 19,829,571.15
  5. Step 5: Solve for x
    x = 19,829,571.15/4,329.96
  6. Step 6: Final answer
    x = 4,579.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.